Home / 9,267.09-12,788.44-5,288.10

Finding the Fourth Proportional to 9,267.09, 12,788.44 and 5,288.10

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Solution

The fourth proportional to 9,267.09, 12,788.44 and 5,288.10 is: 7,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,267.09 : 12,788.44 = 5,288.10 : x
  2. Step 2: Convert to fraction form
    9,267.09/12,788.44 = 5,288.10/x
  3. Step 3: Cross multiply
    9,267.09x = 12,788.44 × 5,288.10
  4. Step 4: Simplify right side
    9,267.09x = 67,626,549.56
  5. Step 5: Solve for x
    x = 67,626,549.56/9,267.09
  6. Step 6: Final answer
    x = 7,297.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.